engine - 2:22 pm on Feb 5, 2013 (gmt 0)
Twitter has acquired Bluefin Labs, a social TV analytics company that was founded in 2008, sources say.
Although we don't know the exact acquisition price, we were told this is Twitter's biggest acquisition to date.
Report: Twitter Acquires TV Analytics Company, Bluefin [businessinsider.com]
Twitter's move into social TV makes a lot of sense. It hired a Head of TV last fall and there's a strong correlation between people watching shows and tweeting about them.